Error Codes - EAS ELECTRIC EMCH Serie Manual De Instrucciones

14.3 Error codes

A series of error codes and corresponding meaning can be found in the
table below. Reset the unit by turning the unit ON or OFF.
If Resetting the unit is invalid, contact your local dealer.
MALFUNCTION OR
UPPER UNIT ERROR
DISPLAY No. CODE
Water flow malfunction
1
(after 3 times E8)
Communication
malfunction between
3
controller and hydraulic
module
Total outlet water temp.
4
sensor (T1) malfunction
Buffer tank upper
8
temp.sensor(Tbt)
malfunction
9
Water flow malfunction
Solar temp. sensor
12
(Tsolar) malfunction
Inlet water temp. sensor
14
(Tw_in) malfunction
Hydraulic module
15
EEprom malfunction
Communication
malfunction between
39
main control board and
hydraulic module board
Liquid refrigerant
temp. sensor(T2)
41
malfunction
Gas refrigerant temp.
42
sensor (T2B) malfunction
Room temp.sensor(Ta)
44
malfunction
Outlet water for zone 2
48
temp. sensor (Tw2)
malfunction
Outlet water temp.sensor
49
(Tw_out) malfunction
Three times PP
protection and Tw_out
50
below 7 ℃
Communication
malfunction between
52
master unit and slave unit
|Tw_out - Tw_in| value too
25
big protection
31
Anti-freeze mode
UPPER UNIT
DISPLAY No.
PROTECTION
49
ERROR MALFUNCTION OR
CODE PROTECTION
| Tw_out-Tw_in |
38
abnormal protection
Phase loss or neutral wire
and live wire are
2
connected reversely
Air side heat exchanger
6
temperature sensor（T3）
malfunction
The ambient
7 temperature sensor
(T4)malfunction
Suction temperature
10
sensor(Th) malfunction
Discharge temperature
11
sensor (Tp) malfunction
Communication malfunc-
tion between main control
40
board and inverter module
43 Three times L0 protection
The DC fan malfunction
45
Voltage protection
46
47 Pressure sensor malfunction
Inverter module board
54
EE prom malfunction
10 times H6 in 2 hours
55
Low pressure protection
57
in cooling mode
Low pressure switch
20
protection
High pressure switch
21
protection
Compressor overcurrent
23
protection.
Comp discharge temp. too
24
high protection
V.1